Lytro

This dinky camera is pretty revolutionary, capturing light in a different way to a conventional camera so you are able to focus and refocus an image after you've taken it. Of course, this also means no shutter delay either, so you capture the image the moment you press the shutter button.

Stuff says: "It's only a matter of time until Lytro has your £5000 DSLR looking like a broken giant novelty pencil: big, unwieldy, and totally pointless."